CN107394313A - A kind of flame-proof battery system - Google Patents
A kind of flame-proof battery system Download PDFInfo
- Publication number
- CN107394313A CN107394313A CN201710753943.5A CN201710753943A CN107394313A CN 107394313 A CN107394313 A CN 107394313A CN 201710753943 A CN201710753943 A CN 201710753943A CN 107394313 A CN107394313 A CN 107394313A
- Authority
- CN
- China
- Prior art keywords
- flame
- coolant
- battery system
- fluorocarbons
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002826 coolant Substances 0.000 claims abstract description 43
- 239000011259 mixed solution Substances 0.000 claims abstract description 17
- 238000009835 boiling Methods 0.000 claims abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 5
- 229920002545 silicone oil Polymers 0.000 claims abstract description 5
- 229940008099 dimethicone Drugs 0.000 claims description 7
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a kind of flame-proof battery system simple in construction, easily prepared and with good flame retardant effect, the system includes battery, casing and coolant, in addition to battery collection ear, connector, relief valve, magnetic valve, fin and it is total just/total negative interface；The battery, battery collection ear are connected with connector, and are immersed in coolant；The coolant includes pure fluorocarbons, the mixed solution of fluorocarbons and transformer oil or the mixed solution of fluorocarbons and silicone oil, and the fluorocarbons boiling point is not higher than 80 DEG C and chloride.
Description
Technical field
The invention belongs to battery system preparing technical field, and in particular to a kind of flame-proof battery system.
Background technology
Because the use of current electric energy is increasingly frequent, and requirement more and more higher of the power device for continuation of the journey, Large Copacity electricity
Pond has obtained universal use.But, the problem of such battery is corresponding fire-retardant difficult also receives watching attentively for people, and grinds
Having sent out a variety of has flame-proof battery system.
The A of CN 101369640 provide a kind of flame-proof battery, and the battery solves the problems, such as to prevent battery explosion.But
The battery of the patent is not suitable for the Explosion-Proof of high capacity cell, and structure and manufacturing process complexity limit it and on a large scale should
With.
The A of CN 104167567 provide a kind of flame-proof battery preparation technology, and the battery of gained, which has, under the technique prevents
The combustion function of cell.But the flame retardant coating of the patent is very thin, preparation process is complex and its raw material for using not
It is suitable for scale to use, limits its commercial application.
Therefore, it is ability to seek a kind of battery flame retardant systems for preparing simple, to be easy to actual industrialization production Large Copacity
What domain was needed badly.
The content of the invention
In view of the shortcomings of the prior art and demand, it is an object of the invention to provide a kind of flame-proof battery system, including electricity
Pond, casing and coolant, the flame-proof battery system also include battery collection ear, connector, relief valve, magnetic valve, fin and
Always just/always bear interface；The battery, battery collection ear are connected with connector, and are immersed in coolant；The coolant includes pure
Fluorocarbons, the mixed solution of fluorocarbons and transformer oil or the mixed solution of fluorocarbons and silicone oil, the fluorine
Carbon compound boiling point is not higher than 80 DEG C and chloride.
The connector includes aluminium row or copper bar.
The material of the casing reaches IP67 degree of protection.
Fluorocarbons percentage by volume is not less than 20% in the coolant.
The fluorocarbons includes C8F16O。
Preferably, the coolant is 45# transformer oil and C8F16O mixed solution, or be dimethicone and C8F16O
Mixed solution.
It is furthermore preferred that the 45# transformer oil and C8F16O volume ratio is 7: 3；The dimethicone and C8F16O's
Volume ratio is 8: 2.
The vent pressure of the relief valve is that casing maximum bears the 90% of pressure.
It is described it is total just/always negative interface be waterproof sealing interface.
Relative to prior art, the invention has the advantages that：
1. the coolant used is nontoxic, ozone layer is not influenceed, it is nontoxic to soil without heavy metal in medium, be
A kind of environmentally friendly liquid.
2. coolant dielectric strength is high, the insulation requirements for meeting battery system are fully able to.
3. coolant viscosity is low, there is excellent liquid convection to act on, it is ensured that soak battery temperature in a liquid
Homogeneity.
4. the capacity of heat transmission of coolant is strong, radiated by the tank surface of large area, can be very good to control battery temperature rise.
Hold 5. coolant fluorocarbons can take away substantial amounts of heat when being changed into gas from liquid, during the low gasification of surface tension
Micro-bubble is also easy to produce so as to promote nucleate boiling.Therefore the radiating efficiency of battery system is very high, and heat occurs in battery and loses
Battery temperature rise can be greatly reduced before control makes battery be unlikely to combustion explosion.
6. coolant and the encompassing property of material of a variety of composition battery systems are fine, the material in casing and casing will not be produced
The reactions such as raw corrosion.
7. coolant has good fire-retardant datonation-inhibition function, do not burn.
8. when battery overheat occurs in itself, one side coolant, which takes away substantial amounts of heat, prevents cells burst, the opposing party
Face coolant prevents burning as extinguishing chemical in itself.When battery has the problems such as leakage is damaged, coolant, which enters inside battery, makes electricity
Pond is failed, while is had radiating and prevented the function of burning.
9. the system is simple in construction, it is not necessary to special maintenance.The equilibrium and radiating of internal system temperature are all spontaneous operations,
Inside does not need the equipment such as fan water pump.More preferable relative to traditional air-cooled and water-cooling effect, structure is simpler, security
It is higher, the battery system especially suitable for high power density.
10. fluorocarbons price general charged is not costly high separately as cooling agent economy, coolant of the present invention can
Using fluorocarbons and the mixed solution of transformer oil or silicone oil, the ratio of fluorocarbons, therefore coolant are reduced
Price it is lower.
11. the system need not vacuumize or negative pressure operation, the requirement to casing is reduced, also reduces cost, is simplified
Service condition.
Brief description of the drawings
Fig. 1 is the schematic diagram of flame-proof battery system of the present invention,
In figure, 1, battery；2nd, fin；3rd, battery collection ear；4th, connector；5th, coolant；6th, relief valve；7th, magnetic valve；
8th, it is total just/always bear interface；9th, casing.
Embodiment
Below against accompanying drawing, by the description to most highly preferred embodiment of the invention, the embodiment of the present invention is entered
Row is described in detail.
As shown in figure 1, a kind of flame-proof battery system of the present invention, including battery 1, casing 9 and coolant 5, its feature exist
In, the flame-proof battery system also include battery collection ear 3, connector 4, relief valve 6, magnetic valve 7, fin 2 and it is total just/it is total negative
Interface 8；The battery 1, battery collection ear 3 and connector 4 connect, and are immersed in coolant；The coolant includes pure fluorine carbon
The mixed solution of compound, fluorocarbons and transformer oil, or the mixed solution of fluorocarbons and silicone oil, the fluorine carbonization
Compound boiling point is not higher than 80 DEG C and chloride.
The fluorocarbons boiling point is not higher than 80 DEG C and chloride.
The connector 4 is aluminium row or copper bar.
The material of the casing 1 reaches IP67 degree of protection.
The coolant is 45# transformer oil and C8F16O mixed solution, or the coolant be dimethicone and
C8F16O mixed solution.The 45# transformer oil and C8F16O volume ratio is 7: 3；The dimethicone and C8F16O body
Product is than being 8: 2.
The vent pressure of the relief valve 6 is that casing maximum bears the 90% of pressure.
It is described it is total just/always negative interface 8 be waterproof sealing interface.
Battery 1 and battery collection ear 3 and connector 4 should be all immersed in coolant, and cooling-liquid level should under normal temperature
Higher than connector 4.
Because the viscosity lazy flow of coolant is strong, the capacity of heat transmission is strong, and battery and its heat of collection ear and copper bar can
It is transmitted to quickly in coolant, coolant externally gives off heat by casing heat radiation and heat transfer, box outer surface design radiating
Piece or radiating groove increasing heat radiation area enhancing heat-sinking capability.Because fluorocarbons can become steam zone after boiling point is reached
Substantial amounts of heat is walked, therefore quickly being cooled down when battery goes wrong and causes temperature too high makes battery be unlikely to hot mistake occur
Control, i.e., can not reach the temperature required for cells burst, another aspect fluorocarbons is laggard in battery breakage as fire retardant
Entering inside battery makes battery failure and can not burn, and can also be surrounded when electrolyte is spilt by fire-retardant coolant.When
Battery temperature is too high, and fluorocarbons evaporation causes opens solenoid valve 7 when pressure is larger in case to carry out pressure discharge operations (vent pressure
Calculated according to the boiling point of different coolants, component ratio etc.), relief valve 6, which is arranged to casing, can bear maximum pressure
90%, when pressure is excessive and ensures safety during electromagnetism defective valve.
Using 45# transformer oil and C8F16O mixed solution, ratio 7: 3；Or use dimethicone and C8F16O's
Mixed solution, ratio 8: 2, as coolant, liquid level is higher than all devices in casing.When the device heating such as battery or copper bar
When, heat transfer to coolant, coolant is by casing to Environment release heat.Coolant forms convection current in casing, ensures
The temperature homogeneity of each battery.C when battery or copper bar temperature are higher than 102 DEG C in coolant8F16O gasifies and absorbed
Big calorimetric, relief valve pressure release is opened when pressure is more than 22kpa in casing.
Above content is the exemplary description carried out to the present invention, and the present invention is not exposed to the limitation of aforesaid way, as long as
The design of the present invention is taken, no matter any improvement is carried out in shape or structure, belongs to protection scope of the present invention.
Claims (9)
1. a kind of flame-proof battery system, including battery (1), casing (9) and coolant, it is characterised in that the flame-proof battery system
System also include battery collection ear (3), connector (4), relief valve (6), magnetic valve (7), fin (2) and it is total just/total negative interface
(8)；The battery (1), battery collection ear (3) and connector (4) connection, and be immersed in coolant；The coolant includes pure
Fluorocarbons, the mixed solution of fluorocarbons and transformer oil or the mixed solution of fluorocarbons and silicone oil, the fluorine
Carbon compound boiling point is not higher than 80 DEG C and chloride.
2. flame-proof battery system according to claim 1, it is characterised in that the connector (4) includes aluminium row or copper bar.
3. flame-proof battery system according to claim 1, it is characterised in that the material of the casing (9) reaches IP67's
Degree of protection.
4. flame-proof battery system according to claim 1, it is characterised in that fluorocarbons volume hundred in the coolant
Fraction is not less than 20%.
5. flame-proof battery system according to claim 1, it is characterised in that the fluorocarbons includes C8F16O。
6. flame-proof battery system according to claim 1, it is characterised in that the coolant is pure C8F16O, 45# transformation
Device oil and C8F16O mixed solution, or be dimethicone and C8F16O mixed solution.
7. flame-proof battery system according to claim 6, it is characterised in that the 45# transformer oil and C8F16O volume
Than for 7: 3；The dimethicone and C8F16O volume ratio is 8: 2.
8. flame-proof battery system according to claim 1, it is characterised in that the vent pressure of the relief valve (6) is case
Body maximum bears the 90% of pressure.
9. flame-proof battery system according to claim 1, it is characterised in that it is described it is total just/always to bear interface (8) be anti-watertight
Sealing-in mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753943.5A CN107394313A (en) | 2017-08-29 | 2017-08-29 | A kind of flame-proof battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753943.5A CN107394313A (en) | 2017-08-29 | 2017-08-29 | A kind of flame-proof battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394313A true CN107394313A (en) | 2017-11-24 |
Family
ID=60346639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753943.5A Pending CN107394313A (en) | 2017-08-29 | 2017-08-29 | A kind of flame-proof battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394313A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546203A (en) * | 2018-12-25 | 2019-03-29 | 中国科学院工程热物理研究所 | Sealing immersion cell packet, cooling system based on fluorination liquid and preparation method thereof |
| DE102019202603A1 (en) * | 2019-02-26 | 2020-08-27 | Elringklinger Ag | Electrochemical unit, heat dissipation system, and method of operating an electrochemical unit |
| CN111640891A (en) * | 2020-06-03 | 2020-09-08 | 中国电力科学研究院有限公司 | Lithium ion battery device and preparation method thereof |
| CN112582731A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Battery module |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
| TWI783323B (en) * | 2020-12-14 | 2022-11-11 | 國家中山科學研究院 | Liquid Cooled Battery Module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5849213A (en) * | 1993-01-22 | 1998-12-15 | Toshiba Silicone Co., Ltd. | Cooling and heating medium for ice-storage system |
| US20140342197A1 (en) * | 2013-05-20 | 2014-11-20 | Hamilton Sundstrand Corporation | Thermal management of electrical storage devices by coolant pool |
| US20140342201A1 (en) * | 2013-05-17 | 2014-11-20 | Hamilton Sundstrand Corporation | Electrical storage device thermal management systems |
| CN105762437A (en) * | 2014-12-17 | 2016-07-13 | 北京长城华冠汽车科技有限公司 | Immersion-liquid-type battery compartment temperature control system |
| CN106816564A (en) * | 2017-03-08 | 2017-06-09 | 苏州安靠电源有限公司 | The cold safety battery bag of complete immersion formula liquid |
-
2017
- 2017-08-29 CN CN201710753943.5A patent/CN107394313A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5849213A (en) * | 1993-01-22 | 1998-12-15 | Toshiba Silicone Co., Ltd. | Cooling and heating medium for ice-storage system |
| US20140342201A1 (en) * | 2013-05-17 | 2014-11-20 | Hamilton Sundstrand Corporation | Electrical storage device thermal management systems |
| US20140342197A1 (en) * | 2013-05-20 | 2014-11-20 | Hamilton Sundstrand Corporation | Thermal management of electrical storage devices by coolant pool |
| CN105762437A (en) * | 2014-12-17 | 2016-07-13 | 北京长城华冠汽车科技有限公司 | Immersion-liquid-type battery compartment temperature control system |
| CN106816564A (en) * | 2017-03-08 | 2017-06-09 | 苏州安靠电源有限公司 | The cold safety battery bag of complete immersion formula liquid |
Non-Patent Citations (1)
| Title |
|---|
| 付华山;陈呈程;: "江淮同悦纯电动轿车电动管理***" * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546203A (en) * | 2018-12-25 | 2019-03-29 | 中国科学院工程热物理研究所 | Sealing immersion cell packet, cooling system based on fluorination liquid and preparation method thereof |
| DE102019202603A1 (en) * | 2019-02-26 | 2020-08-27 | Elringklinger Ag | Electrochemical unit, heat dissipation system, and method of operating an electrochemical unit |
| CN112582731A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Battery module |
| CN111640891A (en) * | 2020-06-03 | 2020-09-08 | 中国电力科学研究院有限公司 | Lithium ion battery device and preparation method thereof |
| TWI783323B (en) * | 2020-12-14 | 2022-11-11 | 國家中山科學研究院 | Liquid Cooled Battery Module |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |